2917502420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{164089}}^1$

素因数の和:164232

約数の個数: 48

約数和(自身を含む): 7057182720

約数和(自身を除く): 4139680300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 4445, 8890, 17780, 164089, 328178, 656356, 820445, 1148623, 1640890, 2297246, 3281780, 4594492, 5743115, 11486230, 20839303, 22972460, 41678606, 83357212, 104196515, 145875121, 208393030, 291750242, 416786060, 583500484, 729375605, 1458751210, 2917502420]

約数ペア:

[(1, 2917502420), (2, 1458751210), (4, 729375605), (5, 583500484), (7, 416786060), (10, 291750242), (14, 208393030), (20, 145875121), (28, 104196515), (35, 83357212), (70, 41678606), (127, 22972460), (140, 20839303), (254, 11486230), (508, 5743115), (635, 4594492), (889, 3281780), (1270, 2297246), (1778, 1640890), (2540, 1148623), (3556, 820445), (4445, 656356), (8890, 328178), (17780, 164089)]